Home / 14,251.73-21,382.34-8,980.65

Finding the Fourth Proportional to 14,251.73, 21,382.34 and 8,980.65

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Solution

The fourth proportional to 14,251.73, 21,382.34 and 8,980.65 is: 13,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.73 : 21,382.34 = 8,980.65 : x
  2. Step 2: Convert to fraction form
    14,251.73/21,382.34 = 8,980.65/x
  3. Step 3: Cross multiply
    14,251.73x = 21,382.34 × 8,980.65
  4. Step 4: Simplify right side
    14,251.73x = 192,027,311.72
  5. Step 5: Solve for x
    x = 192,027,311.72/14,251.73
  6. Step 6: Final answer
    x = 13,473.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.